Yes. I see absolutely nothing that precludes it. Over 35 years ago I formally trained in guitar making and violin repair. I can't say that I've ever seen a splint done quite in that manner, violin or guitar. It's just not standard practice, for obvious reasons. I'm not stating that it's poorly executed, just that it's an odd way to finish the end of a splint, obviously done from a router cutter.
Here's an example of what the very best restorers are capable of but you would need an instrument worth a very large amount of money to even justify spending on the restoration. It doesn't come cheap but you can understand why. They don't just repair, they make the repair disappear.
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