I wrote an article on my thoughts here: https://bim.boats/flaws-of-cm/
In short, I believe it's basically impossible to do it at the right scale to make it cheap enough due to the requirement for growth factors (or cancerous cells) and for sterility.
I wrote an article on my thoughts here: https://bim.boats/flaws-of-cm/ In short, I believe it's basically impossible to do it at the right scale to make it cheap enough due to the requirement for growth factors (or cancerous cells) and for sterility.