The only way to consistently have margins above 70% is a strong lock in effect. All the other reasons who listed don't matter when a venture capitalist with a c

The only way to consistently have margins above 70% is a strong lock in effect. All the other reasons who listed don't matter when a venture capitalist with a couple billion dollars can come in and rebuild the software. At 70% margins they absolutely would do that. The reason they don't is because consumers wouldn't actually switch to their product, even if it is cheaper, because they're already locked in.