Please don't follow the author's opinion. RadixUI with its' 50kB tooltip is not something a sane person would use. This is why React websites weight multiple megabytes at times.
But a recent and very powerful alternative is Tamagui which takes inspiration from all of those. All for the cost of some 20-27kB, apparently with a clear path to come below 8 kB in the future: https://tamagui.dev/blog/version-one#bundle-size-reduction
It even has a tooltip feature, using floating-ui, which one may or may not add, and seems to come in at around 23 kB (in excess of tamagui core, when overlapping sub-libraries in @floating-ui/react-dom-interactions are discounted)... https://bundlephobia.com/package/@tamagui/tooltip@1.0.5 It's still a bit, but fortunately it's not in core so it's optional to include.