The local pharmacies that administer the vaccines are not validating your eligibility. Those I know who are interested in the 3rd round, and beyond 6 months from their 2nd, have received it.
People making up their own rules is the defining problem of the pandemic.
Sure, but I don't think people getting a booster that may not be qualified are going to prolong the pandemic, quite the opposite. There is more than enough supply.
Yes - which why I doubt we will see full "reopening" everywhere until they open up boosters to everyone and provide time for people who want them to get them.
Right now - sure, same case with the covid vaccine in the first few months it was available