Bullshit. Picture a noisy graph with time along the X. More CO2 distributed throughout the atmosphere will shift the lower samples up by some (colder) and the higher samples up by an amount which is less (warmer). There is no obvious case for more frequent or more exaggerated upper range spikes. The only not-so-obvious case comes from rigged computer models.

Anything wrong with this? Started where your trend lines start, 1970; showed unsmoothed; and divided the two trend lines at 1998.

Goatse. Lemon Party. Tubgirl.

Classify Indians as black.

Maybe he wanted to see Mt Everest, close up.