Thats certainly and excuse i’ve seen and also fits with the “earths climate has always changed” trope.
And to answer the question directly, yes they should. Ignoring it today is creating issues for many many years to come. Firstly we havent seen the full impact of current co2 emissions and secondly even if we switched off now, the earth doesnt reset overnight.
Of course I agree. Unfortunately, it is difficult to get everyone on the same page.
Only one country/entity/social/economic class has to have an “advantage” and the page, book, library, district, city and country are quite different very quickly…
A takeoff tax would have a parallel benefit. Short haul flights are far more problematic from a carbon efficiency perspective, because a startling percentage of fuel use occurs in take-off and climb to cruising altitude.
Electrical power generation is mostly oil. Singapore is an advanced economy so it uses a good deal of electricity, despite being fairly energy efficient.