Why no one? I saw lots of frigate-lovers in game, and as for myself i use 'em. They are not maneurable or speedy, but firepower is good. An ability to kill from distance is one more plus.
I meant as a medic frigate. Frigs are awesome, I don’t usem though, im more assault than anything.
A Engineering ship, like in DarkSpace, should get XP from repairing friendlies. Heavily armored, low weaponry, can take some hitting so it can perform repairs.
This has been implemented already something on those lines, some of the skills in the tree have abilites where your allies get repairs or busts when in close range.