The interest that it does accrue is money you don't lose, but rather it does go back into your investments. 

Just remember there are less people that can afford the 1 million dollar plus houses than can afford the $300 to $400 thousand dollar houses .

People should stop applying sale of goods theories to it.    

People focus on the rates because they are a singular number and easy to understand but you can lose money on a rental at a low interest rate and get rich paying a high interest rate.

People complain about booking.com cancellations.

However, does that include people who wouldn’t qualify?

What happens if you lose on it, you now have an additional liability, not just a loss of money.Are you planning on keeping the current property or exchanging it (1031) into something else?

I've heard too many stories of investors purchasing homes for STR use, only to find that they lose their permit or the ability to transfer it when they sell.

Is it fear of losing money?

Pointing out the BS that people try to peddle.