I notice that you've chosen to ignore the fact that you claimed climate models were as good as empirical evidence. One of the more important claims from alarmists is there is a positive feedback effect at play. This has never been proved and indeed the sign could equally well be negative.
As for the rest, so what? Hardly denies anybody denies that there is an anthropogenic signal present. The question is how much for which nobody is able to answer, least of all the IPCC. As prof. Richard Lindzen states:
Stated briefly, I will simply try to clarify what the debate over climate change is really about. It most certainly is not about whether climate is changing: it always is. It is not about whether CO2 is increasing: it clearly is. It is not about whether the increase in CO2, by itself, will lead to some warming: it should. The debate is simply over the matter of how much warming the increase in CO2 can lead to, and the connection of such warming to the innumerable claimed catastrophes. The evidence is that the increase in CO2 will lead to very little warming, and that the connection of this minimal warming (or even significant warming) to the purported catastrophes is also minimal. The arguments on which the catastrophic claims are made are extremely weak – and commonly acknowledged as such. They are sometimes overtly dishonest.
https://judithcurry.com/2012/02/27/lindzens-seminar-at-the-house-of-commons/