You're deft at using it well enough that their predictive engine can guess your intent. There's never been a swipe keyboard that isn't guessing. Your finger literally goes over many chars it doesn't use. The team building the predictive engine has to make calls balancing their accuracy vs failure modes.

Oh comon, these model quality isn't the issue here.

The models know which words we intend to type. The problem is those specific words are on unchangeable and hidden block lists.