Sadly, not everyone has the same thoughts as you and the rest of this community. Besides, these companies keeps on creating progress that'll create a good hype that would sell to the market. The biggest hit was the ICO. Though there were good intentions behind those good projects, but all got ruined when devs, programmers, and everyone in the team wants to take advantage of the hype and the urge from the investors.
This will go on forever as the fellow investors wants to take advantage as well looking for the easiest way to make good profit.