Both have very large well connected nodes. I doubt routing is the problem, must be something else.
Playing with lightning.
Testing to send sats from nostr:npub1hcwcj72tlyk7thtyc8nq763vwrq5p2avnyeyrrlwxrzuvdl7j3usj4h9rq to nostr:npub1lnm0ac8ft8r3jhddchekledgwvqrkwy7wqejjwcxq47gy87te8zs6utnnn .
It's impossible. Can't find a route.
Not good.

Both have very large well connected nodes. I doubt routing is the problem, must be something else.