> This was a couple of years ago, so things may have changed since.

Yes, Lucidchart's performance has improved in the past couple years. And we now have resources dedicated to improving performance.

> From that perspective, these isn't much difference between any of these programs, so there's just no reason to use a paid product.

That's fair. I think Lucidchart's main advantage is more advanced functionality. And if you don't need that functionality, why pay for it?