There’s been lots of discussion about alcohol damaging acrylic right in this community. It seems to depend on the type of acrylic and the type of alcohol using to clean it. E.g.:
https://community.glowforge.com/t/cleaning-acrylic-with-alcohol/53043
Cast acrylic may be less susceptible than extruded.
It’s probably a good idea to anneal the hooks to reduce stress in the acrylic, which should improve their durability.
https://community.glowforge.com/search?q=annealing%20acrylic