not a bad thought you have.many users persent here hates these kinds if banners who just irritate us in our work but i didnt get the line clearly.
I believe Lightning Network will make that possible without bloating the blockchain with constant micropayments.
if you are saying about the smaller transactions then i think somehow you are wrong many newbies lives on faucets and advertisements for their earning well i am not a newbie anymore and i dont like advertising that much but we can't stop small transactions
If a system is not capable of handling small transactions then it's not a system reliable at all...
All amounts of btc exchange should be allow to go through via the blokchain, that's a must for the very existence of bitcoin.