(finally, if the issue is simply "rust people are all annoying self-important kids who treat the olds with disrespect by doing gratuitous rewrites", I .. can sympathize a bit as a fellow old, but also consider (a) we were likely exactly as annoying to previous olds when rewriting everything as FOSS and/or Pure Java in the 90s/2000s and (b) it is in any case probably best to have _some_ generation of excited young people taking over maintenance of systems-level code as we all age-out of doing so, even if that involves some gratuitous rewrites..)