The chart comes straight off Trading Economics, which isn't a political site at all and mostly just provides various international data series. No change in how they do it or anything. On the same site, if you zoom out to 5Y, the Y axis starts at 0, and 10Y at -2, and at 25Y at -4.
It's a myth that Y axes should always start at 0, though I would agree you'd want to be on alert if it doesn't. Sometimes the numbers you're looking at are within a narrow range well above 0 and small variations relative to the full range are significant. In this case, it's debatable what the right choice is. But it's 100% not a deliberately deceptive, and I really doubt that anyone is actually deceived by anything. It's just a sign of the kind of pathological distrust that infects these discussions in some circles.
Anyone who thinks it's some kind of leftist site can look through it:
https://tradingeconomics.com/united-states/inflation-cpi
Generally one of the most useful sites for economic data, along with FRED and a couple of others.