There’s a middle ground here. Complete bans are an over reaction and so is “anything goes” approaches. There will always be shoddy implementations of fracking. They need to be driven out of business. Even major firms can be shoddy, such as BP and TEPCO.
Fracking is the lesser of the evils on so many levels, but the industry must make every effort to regulate itself. Otherwise they risk over reaction like widescale bans.
Witness, Santa Barbara. New oil production is still banned there as an over reation to a spill 40 years ago.
Over reaction is the key phrase.
Just like with the BP spill...just because one rig screws up doesn't necessarily mean it's time for new regulation.