no it's not better. It's extremely invasive as you have to fingerprint and store users fingerprint on your servers indefinitely. Not only that but all of this can be avoided by anyone with half a brain cell. Lemmy should not waste their resources on something like this, it's extremely hard to do to the point where literally nobody has a good system even giants like Linkedin. Source, I work in bot detection.
Lemmy would never get this right no matter how many people contributed and would just cause overal harm to the platform through privacy invasion and false positives.