The only possible reason I can see for this screen version is the marketing opportunities embodied by the Thunderbirds themselves and their 'super-advanced technology' ships and gadgets.
Various Artists: Coxsone's Music 2 - The Sound of Young Jamaica
Preacher: Season 1, Episode 9 - "Finish the Song"
Stranger Things: Season 1, Episode 1 - "The Vanishing of Will Myers"
Andy Stott: Too Many Voices
Little Richard: Mono Box - The Complete Specialty and Vee-Jay Albums
Connections: Midnight Run
Race and Sci-fi Theory: Not Just for Dissertations Anymore
"Spirits of Xanadu wrings emotion and style out of its low fidelity graphics.