Evgenys,
Dagors have greater coverage than Tessars like the Industar. Some Dagors have "better bokeh" than some Tessars, although it isn't necessarily so.
But Dagors were made in the USA for a very long time, and some very famous photographers have used Dagors. As far as I know, not a single famous US photographer has ever used an Industar.
Your search result simply reflects the fact that most posts here are written by Americans!
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