[edent]

Homographic disambiguation. It's hard for even the best AI to tell the difference between 1lI!| etc.

[astrodust]

If the AI has a hard time differentiating, I'm sure your human users will have as much of a challenge.

Pro tip: Don't register A1lI.com and expect people to be able to type it in.

The amount of time it takes to make an OCR-friendly URL on a product is zero.