No, never trust someone else research result without verifying it on your own. You never know if someone else research is a sloppy work, or a fraudulent  trap designed to transfer money in your account into his account. Do your own research is absolutely necessary in this financial world abundant of scams.

No, regulators should step aside and let anyone to conduct their own research, as regulators often incompetent, hopeless, and more often than not, make matters worse.