I think tarot is a bit limited in the type of information it can provide.
Really, what information?
I think a straight tarot card reader can say basically the same thing that a clairvoyant can, just in a different limited way. For example, Miss Ann did a reading for me
a while back. It was pertaining to me importing and exporting some goods. She said to me "Watch who you work with on this, there is deception and cheating here on your suppliers end that you are not aware of (7 of swords/ The Fool), but you will catch him and it will resolve itself (Knight of swords/Nine of Cups".
Now, as a client, I'm thinking that maybe this will come up later because everything was going good. A week or so later, I think it was Princess Petie that said something like "The Asian man you work with, he is lying about something in the contract or deceiving you about something concerning the patent on the products you are buying".
Now, both readers basically said the same thing, but Miss Ann didnt know my supplier was Asian and what exactly would happen in the situation. Both were specific enough and said the same thing, yet Princess Petie totally fleshed it out for me. It did happen as both said and it did resolve itself when I caught him, by the way.
I mean, I understand why people would prefer the clairvoyant instead of the tarot reading.