In your situation, you have to tap, lift finger, place finger to move, lift finger, tap, etc.
In the other situation, you have to place finger, press lightly, move finger, press lightly, move finger, etc.
Using tap-to-click can't be faster than the other situation.
That said, I use both. Sometimes I just tap, sometimes I press, sometimes I press harder.
BUTTON 1 - BUTTON 2 - BUTTON 3
In your situation, you have to tap, lift finger, place finger to move, lift finger, tap, etc. In the other situation, you have to place finger, press lightly, move finger, press lightly, move finger, etc.
Using tap-to-click can't be faster than the other situation.
That said, I use both. Sometimes I just tap, sometimes I press, sometimes I press harder.