There is reverence, latin, solemnity but.......there are also some glaring elements that jar.
It begins with the cotta collars, round not square.
This is nit picking you may say and that is true but, when you are dealing with a truth it is vital that you keep it true in every possible aspect.
And then you may have noticed a female altar server....a rather bleak sort of sanctuary.....no altar cards.
And there's the singing....quite nice but not quite the round shilling as far as plainchant goes.
It is, of course, an Anglican Latin "Mass" - I have not watched the whole clip, I am sure there are many more profound liturgical distinctions between that and our own Traditional Latin Mass.
There are grave dangers in supposing that, just because there is a superficial resemblance, there is no distinction between that and the original.
This can be a cause of 'liturgical drift' when two faiths blur the edges in the fond belief that they are all members of the same club; they're not, sadly.
That is why the ecumenical movement is so potentially dangerous; if it does not lull Catholics into a false sense of security it will almost certainly do so for non Catholics who, after sharing a service, may believe that their faith is as good as their Catholic counterparts.