There are a few big craft fairs where the theme is on show and maybe people just pay attention to that thing more for a while.
Absolutely, one must mend them cashmeres asap! When I gift any knitwear I usually throw in a bit of that yarn, at least the main colour, so if it needs to be repaired there is a perfect match available. Honestly I think clothing manufacturers should do the same along with those extra buttons.
RE: Holes in my jumper.