The boosters do almost nothing about XBB.1.5 and the upcoming strains - this is evolution at play! You can't use the same strategy we've used for the flu - this virus mutates much faster as it infects a lot more people.
Face masks might be a novelty in the Western Hemisphere, but in the more populated other half of our planet, people have been wearing masks as less inconvenient than getting sick.
People should learn about Hayflick limit before saying they can keep surviving a reinfection every couple of months - especially one, which exploits such a common receptor as ACE2!