“you would rarely encounter actual written Hiragana” is outright false. It is nearly impossible to write a full grammatically correct sentence in modern Japanese without the use of Hiragana, as Hiragana are used for subject and object markers, conjugation of verbs, question and assertion markers, possessives, adjectives, negation, and many many more grammatical constructs.

Source: read literally anything in Japanese, like an article from today’s news https://news.web.nhk/newsweb/na/na-k10014946221000

Parent told me I shouldn’t hold it against my older sibling who abused me when I was younger because the older sibling also remembered my birthday and got me toys when I was younger