Depends on the insert and router attachment design. Mine's a Jessem and the router is clamped within the lift. It's far sturdier than a plate alone.
If you're not contemplating a lift and, have a smaller router, using the router plate would be fine. Probably be easier to change bits, too.
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton
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