GPLv3 is a bit overreaching , especially in patent clauses. The GPL as idea is great but the license needs a little more refining
The constant fear of lawyers that using some GPL lib will infest entire codebase of their project with GPL is a real problem that stops many corporations from contributing in the first place.
If you can't explain why it did not work in the past, and can't explain how & why things will be different this time, you don't have a plan. History is a harsh mistress.