I saw a pool's opening restrictions change in real time to deal with migrants. First it was mostly open swimming times, with a few timeslots reserved for teaching kids swimming, women only swimming, parents with kids, etc. Migrants came in and fucked everything up. Girls would get harassed, groped, they would wait at the end of the slide and rip their bikini tops off, etc. First they tried a ban list, but when youre entire ticket booth is plastered with browns no longer allowed in, it started to be a bad look.
So they introduced more hours reserved for women (officially for muslim women that didn't want to be with men, but it was just to give white women time to swim without getting assaulted) more time for parents+children swimming, they introduced a couples day (you couldn't get in unless you brought a girl). Just Tuesday remained free swimming. In the end the pool was empty every Tuesday, no sane person would go, and jeets and other browns didn't care for swimming if there were not women to grope.