I don't think it is only because the financial sector pays more than average. They don't reach the pay level of FAANG companies having their R&D in Switzerland. Also be assured that this level is only reached in Zurich.
Your first link only says that at the beginning it was only 30%, which isn't a too big surprise considering the chaos at this time and it is talking about non lethal weapons only anyway.
"Jonas Ohman is founder and CEO of Blue-Yellow, a Lithuania-based organization that has been meeting with and supplying frontline units with non-lethal military aid in Ukraine since the start of the conflict with Russia-backed separatists in 2014. Back in April, he estimated that just "30-40%" of the supplies coming across the border reached its final destination. But he says the situation has significantly improved since then and a much larger quantity now gets where it's supposed to go."
I believe you haven't read what rvz is talking about. He didn't say payments with lightning wouldn't work. He said that lightning nodes are a centralized system which open the doors to censorship and manipulation, which was the motivation for btc in the first place.