I don't think it's necessary for us to see the predictions of these companies or celebrities, because no one can predict the market. Now the market bubble is caused by ICO. Many projects are too high valuation. As long as the market digests FUD, it will rise, which is not predicted.
It is sometimes necessary seeing these type of prediction from known person can give somewhat relief from the bloody market in hopes that it'll be green again. Anyway, prediction is still a prediction and cannot be proved unless we see results.