You've answered your own question, they're want to spend as little on the training to get you on the line. No type rating = higher training cost, and since it's a business it's the bottom line that counts. No TR or no money = no chance, sorry nothing personal, it's just the way the industry is at the moment. Its a sh1t situation in the industry but unfortunately too many of our colleagues are willing to spend tens of thousands to get a jump up the ladder