That is simply because you are not using hacks that crash a lot. Meaning things that changes your stats makes you crash more than others that don't affect much the character in essence.
God Mode > You never get hit, therefore the server won't receive any data regards to yourself damage
FMA> it's just a mob Vac , and doesn't affect their hp/dmg/defense , etc...
Item Vac > Basically an Aura.