RE: how often do you crash?
I have gear train failures that lead to crashes if high frequency vibration isn't isolated. Mounting servos in Shoe Goop seems to help.
High freq [30,000+ rpm 2 strokes] can also crack solder traces prematurely...which also leads to more crashing than flying your 12,000 rpm type of stuff.
At well over 200 feet per second a cracked trace on a RX power buss can cause a plane to fly straight to China.