How economical collapses happen around the World? One bank in a country defaults for whatever reasons (something like a stupid owner for example), people start panicking and start withdrawing their money from other banks, now all the other banks start struggling because thousands of people trying to withdraw in the same time, that's the domino effect.
The premier league is the richest league in the world, an industry worth billions of $s and advertised globally as a market to invest in, the last thing the league and other clubs will want is a panic situation where investors will say look at what happened to Everton, it can happen with the club we are invested in