Re: We've been down this road before.
More to the point in this case, whilst Huawei has been shown to have security LAPSES, the American competitors have been repeatedly shown to have actual BACKDOORS
Given 2 centuries of rampant industrial espionage, along with outright theft of British and French nuclear research and jet engine technology after ww3 along with most of the western world's gold reserves(*), I think I'll take my chances with the Chinese.
(*) If you think the Americans are only holding other countries' stocks for safekeeping, the sagas of attempts and failures to get it back should be educational. The UK is only getting half its own reserves back over a 100-year period as one example and that took a 30 year legal fight.