Given that there is no evidence that the vaccine prevents anyone from getting sick, and has caused upwards of 9 000 deaths- they are not following science at all.
Cutting their own throats
If you do not look for evidence, you are not going to find evidence.
Some vaxxed cruisers who maligned the unvaxxed and wanted to cruise all by themselves, had a cruise booked for about 2 weeks from now...They just got the virus last week while at a party with their fellow vaxxed friends....
Gee I guess those super spreaders wont be cruising now...