Everyone who has even just skimmed the history of the roman Empire knows that the Pretorian guard where a bad backstabbing money hungry corrupt body disloyal bodyguard but was there ever a time or times were they were loyal or ther was atleast there was a loyal praetorian how didn't disgrace the impirial purple he wore? I mean I know they were also purged many times so come on there must have been a time were the guard of the roman Emporor were loyal or atleast a larg amount of them were.
Everyone who has even just skimmed the history of the roman Empire knows that the Pretorian guard where a bad backstabbing money hungry corrupt body disloyal bodyguard
There's a slight problem with your premise here. More can always be said if anyone would like to address themselves to the question, so if you've got thoughts of your own, please don't let this post stop you!
For the meantime, OP, I commend to your attention two previous answers: