"I dont really get why you'd risk hospitalisation and death to develop anti-bodies"
For certain vulnerable cohorts, e.g. very old and/or very fat, Covid is more dangerous than the jab.
For the young and/or healthy the equation shifts which is why NBA players are starting to speak out. Even more the case for kids who have little risk from Covid.
Everybody's own cost/benefit analysis is different.
Happy for you to double jab and booster forever, I'll stay in the control group.