Based on zero evidence. It’s very easy for a government to step in as a participant, ruin the profitability of a sector in an area, and offer a worse service.

They have no profit requirement or even revenue neutral requirement. So they can just operate poorly at a loss and still wreck other businesses because people will put up with breadlines to get bread for ultra cheap.

The general thing to watch out for with all of these “surely it can’t be evil to do nice thing X” is suicidal empathy. It can seem correct to your gut on the surface while it’s extremely destructive in the long term despite participants wanting to destroy something as an explicit goal.