>>11453306
They only recently did remakes of the Interceptor and bomber after 20 years of absence and those are way more iconic and marketable. It's a miracle we got a TIE Defender in the first place.
Also since Episode 7 dropped it's been non-stop movies or shows each year, all of which they have to make sets for. Also they've been focusing a lot on clones the last few years because it's selling like crazy apparently.

We'll probably get one after they do the TIE Avenger, whenever that may be. Give it 5 more years and this will be considered an "iconic retro piece of Lego history" and we'll get a new version