In addition to your points, up here in Canada we have the National Advisory Committee on Immunization (NACI), who is a group of volunteers that go against Vax manufacturers recommendations with regards to 2nd dose interval. Friends and family lined up day 1 knowing this.
Sauce:
"NACI, an independent body composed of volunteer experts,"
https://www.msn.com/en-ca/news/canada/trudeau-tam-say-all-vaccines-are-safe-and-effective-after-naci-guidance-causes-confusion/ar-BB1gm7g6?ocid=mailsignout&li=AAggNb9
"The National Advisory Committee on Immunization is standing by its emergency recommendation to extend timing of second doses of COVID-19 vaccines up to four months after the first,"
https://www.msn.com/en-ca/news/canada/vaccine-panel-confirms-choice-to-delay-doses-up-to-4-months-in-canada/ar-BB1fouYd?li=AAggXBV
"If you received the Pfizer-BioNTech COVID-19 Vaccine, you should get your second shot 3 weeks (or 21 days) after your first.
If you received the Moderna COVID-19 Vaccine, you should get your second shot 4 weeks (or 28 days) after your first."
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/second-shot.html
"Trust the experts, trust the science"
Ok go try and get your scientific recommended 2nd dose