Common sense says that if anything is done in a rush it had higher chances of not being done with same quality as equivalent thing done without time pressure.

Common sense says that if anything is done in a rush it had higher chances of not being done with same quality as equivalent thing done without time pressure. This doesn’t necessarily mean Covid vaccines are worse in any ways. But it means that anyone very confident in their quality and safety is either mislead or not very professional (if it’s a doctor) or trying to mislead you.