That's okay, though, because they were getting massacred by Hoth's iirc ~1000 Jedi. And as we saw in the Jedi vs Sith comics, the Jedi's standards were really bottom of the barrel--any kid who was remotely force sensitive, has basic training and a lightsaber was considered a Jedi.
And the amount of notably powerful Brotherhood Sith can be counted on one hand.. The PT Order massacres them.
I'm not sure where I recalled it from, but snooping around PoD the Jedi's numbers are described as being in the thousands, so I probably have the wrong figure.
I feel like it was Farfalla that said something along those lines, though. About how Hoth was only able to get a fraction of the Order to join his Army of Light.