It's not all about how much you earn, it's about getting some value in what you were going to do anyway.  I guess in a way, Bitcointalk spoiled me.  Before I really didn't think much about sig campaigns and getting some BTC for posting.  I was happy with the way things were.  But when I got in to a sig campaign and then I saw this thread with the mods saying that they are thinking of removing all sig campaigns, I'm like 'Wait a minute...  I want to continue getting something for my time here so it wouldn't be considered a total waste.'

Steemit was designed for this kind of thing, so I might as well try it if sig campaigns are totally banned.  

Edit:  There's is a good case for allowing sig campaigns only for Legendary members or having the signature functionality only enabled for them. 

1.  They basically know what we're talking about when it comes to crypto and didn't reach the rank by being stupid.
2.  They have been in the forum for a long time and were awarded the highest rank.  So that and the account signature enabled will be treated     
     more as a privilege than something given outright.
3.  Legendary status will be valued more not just in monetary terms, but also as a bragging right earned in the forum and it should be that way.