[db-sync] Compare the EU and US databases to ensure no significant data differences exist

[andrew-farries]

[geropl]

@jakobhero Will help us making a more detailed analysis (notion doc).

[jldec]

@andrew-farries do you still need this issue
(please link to an epic - thx)

[andrew-farries]

@geropl I believe you were closest to this. Are we happy with the state of the EU and US databases?