You're actually right, when you said.
When seeking financial advice, it is critical to consider your source, their track record, how successful their decisions have been.
It is important to consider this things before applying a crypto advice from someone, with this things in mind, i believe chances of regretting their financial actions would be low
People can still have all these and still be wrong but then it's better to still follow people who have an unbiased knowledge of how the market works