I have no qualms about building for the future and educating. I fully support that. What I don't support is the brigading and the lambasting of users who choose to purchase closed or proprietary products. That is their right as much as it is yours to advocate for FOSS.

If "taking everything from us" is the issue, there are appropriate channels and mechanisms to defend against that. If you don't want your FOSS software to be used in a priority setting, apply the correct licensing models and pursue legal paths. GPL-licensed FOSS is generally and effectively avoided by for-profit organizations. If you purposefully choose MPL or Apache for your license models, that's really your responsibility for legally protecting your FOSS IP. Apply the right licensing model, it is literally a single button to change it if your source is on GitHub.