If Occam’s razor leads to a conspiracy theory then Occam’s Razor has lost all meaning.

Which unfortunately has happened at least on the internet. It’s literally become the new literally :-)

Holding Occam's Razor constant, perhaps the meaning of "conspiracy theory" has been expanded.

Not everything has a causal chain that's 100.0% provable with publicly-available evidence. See also: https://en.wikipedia.org/wiki/Plausible_deniability

These are not cheap mice. Someone paid for the mice and it wasn’t a scientist.

Addresses for registered agents that turn out to be empty offices? That is not nothing. It's something shady. It's hard to tell, just from that, what specifically it is, but it's not nothing.

Oh, sure, it's definitely something with respect to the idea that things aren't exactly above board here, but it's a pile of nothing with respect to the idea that the Chinese government has anything to do with the lab. It could honestly be anything from Mafia to terrorism to just some shady business dealings. Evidence doesn't really point in any particular direction just yet.