Part of the problem is the lack of combat capable scouts. This is one where I wish B5 had stuck a bit closer to reality, because historically, there were no unarmed recon vessels, as is virtually the case with ACtA. Napoleonic frigates, ironclad- era corvettes, WW1 light cruisers and destroyer leaders, WW2 destroyers- technically all would classify as scouts. They don't have to be stealthy themselves. I'd gladly lose the plasma cannon array to mount a scout sensor grid on the Hyperion CA, and it would be better than a flyweight one trick pony.
Rant over. Seriously, against anybody but the Minbari, no. And even then, only at Skirmish level or lower. I forget which of the EA scouts got cheaper, but that one. the Corvan is a good investment anyway, the Narn and Vree have good shooty scouts, but only really the Corvan is a good choice at it's level, in and of itself, as useful for any purpose other than scouting.