Interesting point. Keep in mind though for Bio techs (BT) are ran mostly by speculation and hype from their clinical trials and whether or not they receive FDA approval. There are some BT's that are well established though but many aren't.
BT's are very risky too for the most part. Many of them don't have or will never have good revenues because a lot of them invest a lot of money in the hopes of getting FDA approval; some make it to the promise land though but most don't because there's a lot of FDA rejections or many set backs along the way to getting approved.
In mean time, they still have to pay for operations, employees, etc.
Kind of outside the topic of RMHB when comparing BT's because they're a completely different animal compared to what RMHB specializes in and what they do.
Hope this helps!
"All things will be produced in superior quantity and quality, and with greater ease, when each man works at a single occupation, in accordance with his natural gifts, and at the right moment, without meddling with anything else."