jaegers are crap for the price, who in their right mind would use these guys over panzer fusiliers? 55mp to reinforce a single guy, lower squad size and even worse DPS than falls or obers despite being more expensive to maintain (Oh and no AT grenade/faust).
For me pathfinders are not really comparable, you build one squad to set your beacons up and they sit back as a sniper lite support unit for the rest of the game. Maybe if you are feeling particularly jammy you might recrew an AT gun with them to make use of their superior LoS.
They do more dps at close range than fallshrm and panzerfussilars.
Just also cost 55mp reinforce, and low armor