-Couldn’t move your existing money
-Had wildly unpredictable fees that were high and rising fast
-Allowed buyers to take back payments they’d made after walking out of shops, by simply pressing a button (if you aren’t aware of this “feature” that’s because Bitcoin was only just changed to allow it)
-Is suffering large backlogs and flaky payments, which is controlled by China
-In which the companies and people building it were in open civil war?"
Read more about it here