also, they should come up with an alternative source for silver and copper, titanium can be found in 3 different ways now and quartz is all over the place above max default Seamoth depths but silver only has sandstone and copper only has limestone
i don't think radioactivity is a problem for mobs atm, there are those leech critters in the Aurora reactor pool and after it goes kaboom and before you fix it the water is quite radioactive yet i have seen no changes in critter pop