Granted, they do manage to survive in some of the harshest environments on our planet, so, obviously, they are doing something right. But honestly, the finishing touches are far from ideal: PHP is like a camel: there's little to say when it comes to beauty or elegance, but it does seem to survive many harsh conditions.
But let's not go too deep down the camel rabbit hole; instead, let's talk about how programming languages are designed.
The alternative to design by committee is called "design by dictator" or having a "benevolent dictator for life".
A benevolent dictator (or group of benevolent dictators) don't want to push their own agenda; they want the best for their product.