An option that further fragments the duty finder pool is a bad idea, regardless of what the option is. When you play with randoms, you deal with what you get. If you want fast and roulette gives you slow, you deal with it. If you want slow and roulette gives you fast, you deal with it. If you arent able to deal with this, you dont engage duty finder. Use squadrons where you can, use trusts where you can, use friends and party finder for the rest.