One reason to why so many ships ain't allowed in to ports to unload and load cargo is to force the smaller shipping companies out of business. Check the ports. You'll not find neither Evergreen nor Maersk ships waiting on the shores.
https://www.zerohedge.com/economics/we-cannot-survive-here-over-1000-crew-members-are-stranded-cargo-ships-globally-without
Over 1,000 Crew Members Are Stranded On 'Abandoned' Cargo Ships Globally Without Pay Or Food | ZeroHedge
ZeroHedge - On a long enough timeline, the survival rate for everyone drops to zero
https://www.zerohedge.com/economics/we-cannot-survive-here-over-1000-crew-members-are-stranded-cargo-ships-globally-without