He's saying a person with a liberal arts degree and some amateur experience looks better than some one who graduated from a boot camp.
The implication is that boot camps let people appear better than they are.
And you don't need to tell them you went to a boot camp. So if you get hired without mentioning it you won't deal with that bias.
And you don't need to tell them you went to a boot camp. So if you get hired without mentioning it you won't deal with that bias.