Glass is often dirt cheap to make, and recycling it usually only makes sense if you can match colors and compositions - as if you can’t, the coefficients of expansion will be different and colors weird, making it difficult to make sellable or high quality product with it.

Reusing containers commercially is also usually impossible with the way the consumer market is now structured, as there isn’t any single dominant player, standardized container, etc. in any one market.

At the consumer level though, it’s usually a lot easier - pasta jars are free to reuse for whatever, etc.