Why is research on bilingual education ignored?

Proposition 227 dismantled bilingual education in California. But Proposition 58, which would reverse much of Prop 227, has "has so far generated only the slightest ripple of attention." ("Not a bang but a whimper: bilingual ed ban’s likely exit," August 8, The Cabinet Report).

The following appears close to the end of the article: "The education community, backed up by piles of research, never embraced the tenets of Prop. 227 …."
THIS IS A RARE MENTION OF THE STRONG RESEARCH SUPPORTING BILINGUAL EDUCATION. Despite the many attempts of some of us to share the results of this research with the public, it never became part of the debate in 1998 and is peripheral today.
Why?
In the final sentence of the aritlce, the founder of the California Tea Party Coalition is quoted: “(Removing the bilingual ban) seems like such a disservice to kids, because everything they are going to need and everything they are going to do is in English.”
THE RESEARCH CONSISTENTLY SHOWS THAT PROPERLY ORGANIZED BILINGUAL EDUCATION IS VERY GOOD FOR ENGLISH LANGUAGE DEVELOPMENT. THOSE IN BILINGUAL PROGRAMS DO BETTER THAN COMPARISONS ON TESTS OF ENGLISH READING. THIS IMPORTANT FINDING WAS NOT PART OF THE DISCUSSION IN 1998, AND STILL APPEARS TO BE UNKNOWN IN 2016.   
Why?

https://www.cabinetreport.com/politics-education/not-a-bang-but-a-whimper-bilingual-ed-bans-likely-exit