I wasn't making some obtuse statement about how money from me was being skimmed, I was commenting how the way they eased the friction of donating has caused me to done monthly to a lot more projects than I normally would, and that's added up over the years to a few hundred dollars of mine making its way to the accounts of people or groups whose services I use or works I consume, and that's a good thing.
Would I be happier if Patreon took a smaller cut? I guess. I don't see 5% at the low-level donations as very significant, given the platform Patreon supplies. Maybe it would be better if they changed to a 4% fee if you were getting over $500/mo in donations, and to 3% if you were getting over $2000/mo. Then again, when you start making that much per month, chances are Patreon is likely working out very well for you, and that 5% might be seen as well worth it?
In the end, as a consumer, it doesn't really matter to me. I'm bullish on the model of Patreon, and I think Patreon seems to execute fairly well on that model from what I can tell. I wouldn't mind if a few producers used Gratipay and I set that up too. I can deal with maybe 2-3 donation aggregators, I just don't want to deal with 10+ individual donation systems.