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Ubuntu was once an okay-ish distribution, many many years ago. Then Canonical got rogue, made some very sketchy and irritating decisions (walled garden, snap, advertisements with Amazon, now advertisements in their package manager, … so much more)
Ubuntu is the bane of Linux. Use upstream Debian if you like apt; Linux Mint for an easy entry; Arch, if you’re quick of wits and want to widen your knowledge and skillset.
Scientists being theorists and not based in reality after all.
Engineers knowing it is necessary to ensure safety because “+” could mean something else in just this situation noone (especially scietists) thought about.