No it won't, but ads are only done because they believe the ROI is worth it. If you accept that they're not just throwing money away, ads must increase consumption. Banning the ads must, therefore, decrease consumption.
Yes, people will still fly, but maybe a few trips a year won't happen due to it not being right in someone's face.
An airline's ad is mostly trying to get your business away from the competing airlines, not to increase overall passenger flight (afaik). The main effect if that's right seems like it'll be to protect established firms at the expense of new entrants.
Yes, people will still fly, but maybe a few trips a year won't happen due to it not being right in someone's face.
There's no harm in reducing consumption.