Money is always a factor, so I wouldnt dismiss that.
But, the main reason for the revamp was for him to keep track of the bugs so they could be easily fix. The OLD had to much bugs he didnt know where to go and fix and to much work. IMHO thats BS. But to each his own. This revamp game was made linear in an attempt to track gameplay and in essence bugs. But you guys can judge on that outcome. Just my brief 2 cents on the matter. I wrote in detail about this long time now in the thread. Not worth the effort to repeat.
The revamp aint bad (linear sucks though) but like
WOMANpukumaru said, which I also said in my detail response, MC mother was far superior in old version, thick for days
. That alone give major points to the old