As with *any* resource, it's what you do with it that matters. If the internet is your sole source of information, and particularly if you limit yourself to a few "popular" sites, and form your opinion along those lines; well, you get what you pay for.
If, on the other hand, you can still retain your ability to read between the lines and compare notes across multiple resources, take it all with a grain of salt and maintain a healthy skepticism...then the internet is just another resource to draw from. It's not Gospel, it's not the Bible, it's not an unquestionable fact or reality...it is just another tool in the toolbox. If one has a good mind to start, one should be OK as long as one keeps exercising that muscle. If one has an...easily manipulated...mind to start, then nothing I said will make any sense anyway, and one will continue doing what one wishes to do anyway.
A good example would be the divide between those who truly think that what gown a popular actress is wearing at some gala premiere actually qualifies as news, and those who can see that such is not as important as the hype suggests.