Well, now it depends, how the formula will be made.2. ETC will produce seeds based not on MH level, but on SS.
ETC is a trade center. It's other 2 benefits are for manufacturing. Producing a useful and somewhat rare good makes sense. But it makes no logical sense to make a trade center have a benefit based on a military aspect. If you mainly cater, the ETC is a very important AW. The optional SS techs are not (unless they use the cauldron).2. ETC will produce seeds based not on MH level, but on SS