Many people envy the bright light of fame; some of us prefer the dark. Most writers want a best seller; some of us, namely me, see drawbacks. Literary agents want authors with the personality to sell their book. I can handle the web presence, but public appearances may cause a problem.
A literary agency gives me a team and this may make my book better, but they may put me in more uncomfortable position. Which will cause me more anguish traditional or independent publishing? I’m sure this depends on the agent. Researching agent preferences has been annoying, but gauging the personality is another issue. It all seems like a dice roll.