At least for me, webapps are just 1 in a thousand tabs open in 500 browser windows (ok, I exaggerate a bit). For an app with it's own window I can just hit a shortcut and said app gets focus.
Disclaimer, not an Elektron fan.
Many people cross the Atlantic every year in relatively (not like this) small boats every year. There are common procedures and knowledge available to people that do that, see here for example: http://www.yachtingmonthly.com/archive/arc-safety-checklist-...
Examples of gross negligence: being dismasted in low or moderate wind conditions because lack of maintenance to the rigging and/or motor failing because of lack of a fuel filtering system, departing when conditions are obviously not favorable (wind against current in the Gulf Stream off the US coast).
There is no such thing as a clear line but it can be established for each case I think.
The lazy approach is probably way cheaper. Unless the social media shit storm is too big in which case they can correct after the fact.
Not saying it is ok to do it. Just that business will always pick the cheapest option they can get away with - that is, that does not affect the bottom line.