Just leaving a comment here since I haven’t seen anybody else mention it: participation is optional for Individual and Family plans, and at this time it will not be applied to Team and Business plans.
If you’re not willing to trust what they say about the anonymity of the telemetry system, or to opt out, then I think you wouldn’t be happy trusting them with all your passwords in the first place!
If you’re willing to stick to Safari, then I think using Apple Keychain is best, especially since they’ll be adding sharing this year.
I was surprised to get approved relatively quickly considering the size of the backlog. Thank you for the work put in!
One thing that Evernote got right is that it made it easy to export your content. I really appreciate that about the service. Leaving Apple Notes is not as easy.