Plug Weld Floor Pans?

Kern Dog said

A few years back I would have laughed at this suggestion and made fun of who said it. I have seen the light. The adhesives now have hold strength as strong as a weld with no warpage and none of the porosity that happens with weld spatter.

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Does adhesive really work that well? I'm aware modern production cars use this method for cost and time savings, but is it superior to the old-fashioned way of welding panels? I'd never even considered it. Well it be just as sturdy as a welded joint?