Many of the plastic-eating microbes require very specific conditions: finely shredded material, high temperatures (55C or more), carefully-controlled pH, etc.

Many of the plastic-eating microbes require very specific conditions: finely shredded material, high temperatures (55C or more), carefully-controlled pH, etc. These generally won’t occur outside of a bioreactor, so you’re not going to see them attacking random plastics in your house.