Read.cash should also allow tipping in BTC. People need to experience scaling issues first hand, rather than just be preached at.
It would be cost prohibitive to do that. You can't tip anything less than the current BTC transaction fees, which are currently $15 https://bitcoinfees.cash/
Exactly. Sometimes simply placing *Product A* next to *Product B* and letting the user see what works and what doesn't is better than explanation or argument.