After AstraZeneca clot findings, France opts for mRNA vaccines for second shot | National Post
https://nationalpost.com/pmn/health-pmn/france-opts-for-mrna-vaccines-for-second-coronavirus-shot

"Our approach is absolutely not to engage in a gigantic experimentation on the French population"

...which is why you're vaccinating the whole population with brand new vaccines that haven't gone through normal approvals? And are now proposing to mix-and-match those vaccines in ways that haven't been tested?

Sorry, there's no getting around it: this is a gigantic experiment.