Quite so, but it might not have been obvious - that is, his remarks may not have been made across the table, but in a quieter tone. If you're in a group of 10 or 20 people talking all at once you're not necessarily paying attention to an exchange between two of your number at an adjoining table.

I don't know what sort of configuration people were in at this bar, obviously. But when she mentioned that the fellow singled her out, I took it to mean that he got into a one-on-one conversation rather than pitching his offensive remarks across a conference table. Bars tend to be noisy and people often break up into pairs or mini-groups as the evening wears on.