Earlier quoted context omitted.
Not the other poster, but something that might explain their reaction is that you mentioned keeping an entire separate computer. It is easy to see why this would cause an extreme reaction. (Not saying it's not a good idea.)
I wasn't able to predict that discussing a better setup can cause "an extreme reaction". The second machine is not that important, I would prefer to schedule distraction blocking on my computer for most of the day and removing apps like FB from my phone.
Regardless of whether this would work or not, or the dollar value you place on your increased productivity, it is easy to see why the suggestion of renting a whole other apartment would be extreme! Likewise, given that a single computer can switch tasks easily, the suggestion of using a whole separate computer is clearly extreme.