Long... you are misinterpreting the data. I have explained this to you repeatedly. And the study says the same thing I am saying. Now when will you quit ignoring the rest of the data given in Figure 2? Here is what you are ignoring:
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The 'Other' in the blue circle is the added warming from GHGs(which includes CO2) and increasing water vapor(WV). The 'Temp" in the red circle is the increase in global temperatures which is dramatically increasing the OLR. So the one number(−0.24 ± 0.13 W m−2 decade−1) you keep cherry-picking comes from that total in Figure 2e The increase in ASR is mostly due to the decrease in clouds(black circle) and the decrease in snow, ice, and aerosols(green circle) which are mostly feedbacks from the warming due to increasing GHGs. Now why do you insist on ignoring this data? It's because you just want to claim that CO2 isn't warming the planet anymore even though this is just not true.
Yeah... and your interpretation of the data is opinion as well. But the difference between your opinion and the author's opinion is that they are actually peer-reviewed and published scientists and you are an anonymous poster on the internet known for lying. Most intelligent people who are not denialists believe the opinion of the scientists over yours.