Masterpiece Cake shop was willing to bake and sell a cake, just not decorate it to celebrate gay marriage.
The cake shop cannot be compelled to generate speech they did not wish to speak.
Twitter, Facebook, Youtube etc generates no speech other than advertisements and clearly lists who has created the content they are hosting
There is nothing proprietary about a cake or a cake shop. If you can phone and drive to a particular cake shop, you can phone and drive to a different cake shop and still get a cake. (Which is exactly what those plaintiffs did in order to find a cake shop to refuse their demands.)
Big tech platforms have a near monopoly in coverage, you cannot just join an alternative and expect to be heard with the same reach.
Let's see here.
Have I missed anything?
The point being that there are many, many cake shops.
Twitter is THE twitter. Google is so synonymous with Searches that it became a verb. The problem with tech is they have reached monopoly status.