The internet is basically a surfeit of junk information. One can find information on it to reinforce or challenge any belief system. Generally, the loudest and most strident voices gain traction on a medium such as this. The internet is rarely a resource for reasoned, logical, rational discussion of deeply held and respectful beliefs, it is generally a shouting match between those of dogmatic persuasion. Essentially, people turn to the internet to establish and reinforce, not overturn their strongly held prejudices.
However, in terms of morality systems of Abrahamic faiths, the internet certainly has damaged or been a huge challenge to those