As Richard Stallman said: Steve Jobs created a cage and made it so shiny that millions of people want to be trapped in it (From memory so not exact, just search Richard Stallman Apple fanboys are fools)
It’s Not Bad, but against the malware that always is a step ahead it stands little of a chance as it can’t solve the “legacy” problems that keep windows from becoming more secure
Which version of Ubuntu you’re installing (including which flavour), Whether you have network connectivity, Hardware stats, including CPU, RAM, GPU, etc, Your device vendor (e.g., Dell, Lenovo, etc), Your country (based on the time zone you pick, not IP), How long your install took to complete, Whether you have auto login enabled, Your disk layout (how many hard drives and partitions you have), Whether you chose to install third party codecs, Whether you chose to download updates during install
(According to OMG!Ubuntu) Most distros offer optional telemetry, but Ubuntu’s is opt out not opt in (for GNOME you have to separately install the telemetry)
I don’t hate Ubuntu, it used to be my favorite distro and I haven’t found anything that really replaces it. I hate Canonical for destroying my favorite distro