Steel toe boots are a must if you work in hazardous environments such as construction sites, car machinery repair stores, wood cutting industry, etc.
They are recommended and are made compulsory in almost every country including US by OSHA standards.
But some people bear the wrong information that steel toe boots can cut off your toes which is totally wrong.
https://workgearz.com/how-much-weight-steel-toe-boots-can-take/