I think that everyone has different preferences.
In truth, I never read my Google Friend Connect subscriptions. I prefer to use Google Reader, so I subscribe to feeds by clicking on the feed icon on a page.
Your Follower widget doesn't have to be so big. You can make it have a few as 2 rows of faces. Instead of using Bloggers' default Followers widget, go to
http://www.google.com/friendconnect/and you can create your own custom gadget (I think they even introduced one that shows no faces).
My personal favorite feed service is Feedburner:
http://feedburner.google.com/People can subscribe however they choose-either through using one of the many feed readers or via email. If you go to my site and look at the right sidebar near the top and click on the orange feed button (among the small social media buttons), it will take you to my site's feed where you get the option of following however you please. And since it is associated with Google, it works well integrating with Blogger.
I agree that I don't like a whole lot of STUFF junking up my sidebars, but I think you also need to give your readers several options on how they would like to subscribe to your blog.
http://hideousdreadfulstinky.blogspot.com/