Good thinking, which doesn't make the size of the Baltic Sea comparable to the size of a city, nor the costs of a fleet of cars with a single driver comparable to the costs of a fleet of ships with full crews.

It's tempting to say "if it's such a problem why don't they just monitor better?", but the ocean is vast.

i don't know about your city, but doesn't happen in any in the uk.

lucky you, i have read the UK police is mostly well behaved

and so, where are you? and how many cops does your city have?

Vienna, Austria, cops everywhere

Maybe it's because Vienna's streets are full of "doctors" and "engineers".

yay, a racist reply! i dunno come to check by yourself whether we are overrun by refugees