The crown is not "soldered" to the stanchions; it is metallurically bonded to the stanchions in much the same way that some iron cylinder liners are bonded to the aluminum barrel in two-stroke motorcycle engines. Don't sweat that. It's a far better, more secure attachment.
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Originally Posted by Mark Twain
"Don't argue with stupid people; they will drag you down to their level and then beat you with experience."