Yes, but when it comes to being specific about aspects of the Bible, to discuss them with any degree of authority you need some learning background.
No, you just need the knowledge. If you're employing someone, a relevant qualification save you having to test them, but you employ them for the capacity, not the certificate. In an argument you can cite your certificates as much as you like, but it doesn't make an invalid argument valid.
This is, perhaps, why you think that saying 'Midrash' justifies all sorts of cherry picking and selective interpretations, but it doesn't, it just describes them - you still need to explain.
As to Google: it is useful ad long as you use it intelligently, and not merely as an adjunct to your particular slant.
It's entirely possible to do both.
And How many people here quote from google having checked the credentials and authorship of the site? Not many I suggest.
Perhaps not, but then if their detail is wrong you have the opportunity to point that out.
O.