Quoting this from the Wikipedia page on "Sa Aking mga Kabata":

The poem was widely taught in Philippine schools to point out Rizal's precociousness and early development of his nationalistic ideals.

A passage of the poem often paraphrased as "Ang hindi marunong magmahal sa sariling wika, masahol pa sa hayop at malansang isda" (English: "He who knows not to love his own language, is worse than beasts and putrid fish") is widely quoted in order to justify pressuring Philippine citizens into using Tagalog; this ironically includes its majority of nonnative speakers. It is encountered most frequently during the Buwan ng Wika ('Language Month'), a commemoration of the establishment of the Filipino language as the national language of the Philippines.

Whenever I sense/hear/see this "Ang hindi marunong magmahal sa sariling wika, masahol pa sa hayop at malansang isda" quote directed toward me, I shrug off this bullshit.