The problem is the possibility of future problems. Whenever water is involved, especially below grade, there is the potential for mold damage and, depending on how/where the break occurred there could be the possibility of contamination. With both plumbing and electrical work, at least in some jurisdictions, it must be repaired by a licensed tradesman. Also, if any future insurance claim is filed the insurance company may try to deny the claim if the repair wasn't up to code, wasn't done by a licensed professional or "due diligence" to properly mitigate the damage was not documented (found that out the hard way).
I agree with most everyone else, the tech made a mistake and did his best to make it right. It is unfortunate that Dish would hold this against him but the OP could be in much more "hot water" if he ever had to file a claim with his insurance or if the repair came in to question from an inspector in the future.
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