I don’t necessarily think the spawn rate needs to be adjusted. I think it’s ok if the intention is for Galaggio Garbage to have a very low chance to spawn from S.C.R.A.P.
The problem is that the drop rate on the mount is also very low. Data so far suggests a 1/100ish drop rate. I think 1/25 or 1/33 would be far more reasonable - still very rare, but not putting average aquisition time in the realm of many dozens of hours.
The suggestion of letting us spend empty cans to guarantee a spawn feels like an interesting form of bad luck protection, and I like the idea, but it might be incompatible with the design goal of keeping the spawn rate very low.
Edit: seems like the spawn chance was buffed pretty substantially! Glad the game designers are listening. Thanks 