This thread is great, might as well bust a vein by following the train of thought
Before checking in here I firmly believed in breath/swipe or tap water to be the panacea for dusty or dirty rubbers, but it seems like I missed the enlightenment in the cleaning department.
Reading through this in one go I guess there is atleast one thing the majority can agree on, there is definitely a difference between inherently tacky topsheets and non-tacky (ESN, Japan) topsheets when it comes to cleaning them (and maintaining the tackiness, duh).
When I was a kid I bought a bottle of some kind of foam cleaner to go with my first custom bat. Eventually I ran out of that stuff and continued using tap water because I was born lazy. Without anyone giving me hints or suggestions I was under the impression that the special-made cleaner wore down my rubbers quicker without actually giving me a better cleaning result than water, so I moved away from it and never used anything that was specifically made for cleaning ever again.
Unfortunately I don't really have any experience with tacky rubbers YET, my first two sheets of Neo H3 (ever) will arrive tomorrow. I definitely won't go back to cleaning foam or anything like it, but it seems like protective sheets might be a really good idea, based on experiences shared here.