Moving coins to an exchange or a custodian service doesn't mean they have sold it yet, which actually makes things worse if this is just a panic sell without any additional market order pressure really applied.
Rather than those troublesome 50 000 BTC (which is definitely not peanuts, it's about 100 days of mining revenue so,), I'm a bit more concerned with the fomo or the hype losing steam in ETFs, 825k coins in March 20 and just 871k coins in June 20, 46k coins in three months will all the advertising no bad news no nothing, the most positive atmosphere we could envision especially with the talks about rate cuts.