first of all, I also am disappointed in removal of expensive mode, but because of another reason which I will explain below. I always play with expensive mode enabled. I cannot stand vanilla recipes, they are way too boring and simple in my opinion. at least expensive mode was a start in right direction for a challenge, something different that does not necessarily overhaul entire recipe system like other mods do. it is not enough but a good start in my opinion. I understand the reason behind decision of devs but not accept/approve it. main reason is removal of something that already exists. so the supposedly called "upgrade" becomes downgrade actually, for me.
what concerns me about devs' decision is to push such details to modders now. if you want a feature "removed" then modders must bring it back, no option, flag etc. so in expansion I must wait for a modder until someone "fixes" it for me or maybe no one will do it because there is a huge majority of factorio players that will accept whatever devs decide, they simply do not care. this gives extra work for people like me who mods the game for themselves to enjoy it. I am saying this in regards to expensive mode but there are many other changes done in DLC (and 2.0) that will require modding to revert or alter what was changed as well. some of the changes are coming to 2.0 which is the most disappointing part. so it is not "free" actually, it will come with a "task" to modders (or players) of modding to revert all the stuff that 2.0 brings, including expensive mode.
to people who claim we can play marathon on our computers, it is not about what we can do or not. we (people who like marathon mode) will continue playing it on 1.1 of course (I definitely will do, no 2.0 for me, I do not have time to figure out what is broken and then fix in 2.0) but you (others) are not aware what is going on because it does not affect you. something we have is taken from us and we have to fight back (or do something on our own) to bring it back. yes, whole post for 10 or something recipes, I know, but it is just one example. I would not go into fluid changes and 250+/- binary system here. recently kovarex posted on reddit (not in official forums, not sure why) that maps without enemies is gone too, spawners will always spawn that will not spawn biters, even if we want to play "without enemies". so another mod to be installed. there might be way bigger problems and some of them cannot be even fixed in 2.0 anymore perhaps (such as fluids). I hope you get where it is going, there are so many examples and probably a lot hidden ones that someone has to dig deeper. I bet even devs do not have full list due to many changes.
I hate this kind of hidden employment for a company, modders become free developers/testers. instead of playing the game I pay full price, I have to spend time on fixing the game with mods, or look for a mod that does what former version did. then of course a map of mine will have 40+ mods enabled, some of them conflicting with each other because no simple mod is simple. if something breaks, then good luck to figure out why something does not work as intended. it becomes a job/chore, not a game for me. someone has to remind me what am I paying for.
solution is simple, which I have chosen it long time ago. expansion is not for me. it definitely seems exciting for some people, I respect that. but that is quite opposite for some people (like me, maybe Panzerknacker or some others). I am not paying full price for a game that does not replace what is removed, and even breaks many other things. most games do not offer free updates even so I respect Wube for that decision but as I explained above, it is not "free" like you think. I simply take it as is: "for factorio there is no free update, there is just sequel"
there is "optional" ™ by Wube, next to "free" ™ by Wube
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)