A: I was unaware of how many results would pop-up in search engines and it makes me feel uncomfortable.
Any time you post, coment or reply to a thread on anywhere on the web, which most would need you to be registered and have a user name, it will be of public record and come up on a search,
B: Although it was cool at first, It just feels like there is too much work involved in pleasing other users with my content.
You have this wrong, create/skin for yourself first, if others like it that is a bonus.
C: Because I haven't been actively involved with the site for a while, I feel left out of everything.
WC is what you make it to be, IMO it sounds like you are trying to make more out of it than you need to.
I am here every day so I have a good feel for what goes on here, not sure what you feel left out of. Not being here for a period of time, you would be behind on WC news and maybe some of the more fun type forum threads, but it would not take very long to read them, reply if you feel like and be caught back up.