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I have no idea of the actual data, but I believe that percentage in waste plastics of those kinds (PE+PUR+PBAT+PLA) are something like:

95.0% PE

3.9% PUR

1.1% PBAT+PLA

so, even if these newly found microbes are effective and come into use they probably won't make in practice much a change, and - as you say - every year it comes out some article about research on these microbes (including some with potential for "eating" PE) but no news about them being used industrially.

It's also kind of sad , for all of human history we never had this wonder material like plastic , light , strong , moldable , cheap and very importantly resistant to chemicals , pests and microbial destruction and in the few decades that we have had it we are scrambling to look for bacteria that will digest them because we over did it .

This is newsworthy because the bacteria can function at lower temperatures (15 C) than previous bacteria discovered.