I also have Nano S and, while I knew from start that's closed source and the memory is small. Meanwhile the cheap plastic is the smallest problem, while the leaking of personal info and the awful handling of that situation made me kinda stop recommending Nano S.
The bad multisig was something I've read between the lines, but didn't give much attention - I always thought that if I want to multisig then I'll buy one more HW, from another maker (probably Trezor) and see then what is possible and that's not.

So now my bigger concern is the screen issue I didn't know about (hence thank you for bringing it into discussion!).
How many years is the average for "normal use" after which it's expected to become difficult to read?