The question is for us personally now not to choose postmarketOS or Ubuntu Touch on the Pinephone, but which is the best touchscreen OS experience on Raspberry Pi 4

After we have put the Pinephone on our BLACKLIST: This shows the best touchscreen OS experience on Raspberry Pi 5 which is on our BLACKLIST as well: But we are for this solution which uses Raspberry Pi OS: https://en.wikipedia.org/wiki/Raspberry_Pi_OS