I think the stock question here is "did it fall or was it pushed ?"

I guess the screw-in feet could be moved out a tiny bit futher towards the sides for more stability but my 60s seem pretty stable already. Are you using the spikes or the rubber feet ?

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8