PPM or UART for Racing?

Hi All.

I did some research on PPM and UART and understood their pros and cons. In the DIY Racing world, would you say PPM is more popular? say out of 100 people who race, what would be the division among PPM to UART users?

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Probably about 70% of racers use PPM.

Not really any reason behind it. Its more so “don’t change something that works”