I don't think there's enough support to bring fees back. I'll make a poll when peakd lets me know the SPS stake weighted polling is ready and we can see what people think. The main reason I wanted to get rid of them in the first place is that they were more or less acting as a tax that no one had approved.
For example, some tournaments had like 20% of the pool relegated to simply refunding entry fees for people that didn't place high enough to get a prize... That means we're giving out 80% of the prizes we have apportioned in the whitepaper. If we want to do that, that's fine but we need a vote to reduce inflation, we don't need an unapproved tax on all tournaments.
I'm definitely open to suggestions on how entry fees could return. Like I said, I'll get a poll up with some options soon, I think the Peakd team is about ready to have SPS stake weighted polling and then I can make more dynamic, multiple choice options.