Agreed. If they were that level, they'd be front and centre. These bands may be good, but they're obviously not on the same level as those examples otherwise they'd be known.
And the rock is dead argument doesn't work for me here. Good music is good music. All of the 'legacy' acts that still tour always pull in good crowds, so there's clearly an appetite for that sort of music, it's just nobody's come along to match the legends... yet