PVC and ABS are used in water pipes, PET is used in bottles. It seems unlikely that these bacteria would have the ability to break down 3 completely different types of ‘plastic’.
FTA: "The research scanned more than 200 million genes found in DNA samples taken from the environment and found 30,000 different enzymes that could degrade 10 different types of plastic."
On the other hand, we probably still have decades, if not hundreds of years, before we see the full effect. Plenty of time to prepare alternatives that doesn't carry a usable form of energy inside.
Maybe something like this?:
> It is also used for natural gas and _offshore oil applications_, chemical transportation, and transportation of sewage and slurries.
So yeah, a bacteria capable of dissolving that shouldn't be released anywhere near an offshore oil pipeline.