HELL-NO!
Its already DIFFICULT to counteract the rapid development of immunity in bacteria to antibiotics. But Virus or bacteria-phages could be used except only for the few handful of people that need the treatment.
Virus mutates thousands of times greater than the bacteria so side-effects and UN-charted consequences are possible.
Yeah well isn't that exactly why we need to be exploring different methodologies and techniques to help against the rise of superbugs?
antibiotics-- even second and third class treatment options are no longer working against the pesky, mutated bacterium causing numerous diseases worldwide, especially in the world's most vulnerable populations. Research in this field has to continue, regardless of whether or not these things you mention are true.
Phage therapy, new discoveries such as malacidins, CRISPR-Cas 9, you name it -all need to be further explored to help this growing public health crisis
Ok cheers!
Cheers mate! I see you are fairly new to steemit -- welcoming you here with open arms!
Best of luck on the start of your journey here, STEEM on :)