It works if you have the best players in the world, which Barcelona and Spain had.Tiki-Taka doesn't work anymore. It's easy to overcome. All one needs is a formation of 5 defenders (like what the Dutch had when they played Spain in the 2014 WC) and Tiki-Taka is done for.
Doesn't matter what type of football they would've played, they would still win. This is what people always forget