You may've to provide some more info than a plain "No." The question GP made is sound since this is exactly what the article alludes to:

>Meta formed a small team to devise an approach to delivering a new service that would directly compete with Twitter in just a few months. Zahan Malkani, a software engineer at Meta, shared how his team was able to reuse the existing Instagram backend components, data stores, and large parts of the existing infrastructure stack but customize them to offer functionality comparable to what now is X.

And due to time constrains was even made sloppy:

>Malkani admitted the company introduced a substantial amount of technical debt that must be addressed in the future. The team is working on gradually separating the data models from Instagram's as the Threads service gains new functionality so that both platforms can be separated, but the process will take some time.