... it's not that the fee are too expensive, it's that they prohibit micro payments. and make TX fees unpredictable and in turn make TX times unreliable.
and moving TX off chain only removes miners fees revenue, somthing we should be looking to grow...
all the while we know 4MB or less is just fine, and won't hurt decentralization, and its more then likely that technical limit will grow as improvements are made and internet speeds grow.
on top of all that, there's very strong evidence that miners would not push beyond the technical limit even if there was no arbitrary limit.
also, the idea of a central org dictating limitations is blasphemy!
And why do we need micro payments on the blockchain? They can use payment channels for that. There is no need to bloat the blockchain for that.
TX fees are not unpredictable. I have sent hundreds of transactions with only 0.00001 as fee. That's a few cents.
...sure, yaaaa, no one is having any difficulty with TX times and figuring out the appropriate fee, no one.