I think that at this point it is possibly a good alternative to preventing and destroying bacteria in a wound or on the skin. I have not seen where it can be used for other applications yet.
If the experiments that have been carried out can be replicated, it looks like this would be a good alternative, but only for some uses of antibiotics. It doesn't look like this would be a good way to kill an internal infection, for example. But in terms of bacteria that resist antibiotics in wounds, it looks like plasma therapy would be a very good alternative. Again, though, this is only one experiment....
Plasma therapy could present an advantage because it is non-specific, so that the resistance that bacteria develop to antibiotic therapy is much more harder to be developed in plasma therapy.
Plasma therapy has proved it's efectiveness against pathogenic bacteria that are growing in biofilms. According to the tests, a low-temperature plasma torch is able to kill up to 90% of the bacteria.
Plasma therapy is painless and it is protecting the environment againsta chemical contamination.