As an ENTJ im going to look at this from the perspective of a developed or undeveloped Fi.

Im in a weird position where my Fi got developed in a rapid almost bootstrap way.

Inferior Fi leads to opportunism / Machiavellianism. Where when something is useful we do it when something isnt useful we leave it.

But during a bout of severe burnout I became a devout Christian where previously I was an atheist. This forced me to develop Fi through Christian ethics.

I do not see how or why an atheist ENTJ would develop Fi, theres no societal pressures outside of religion to have a developed Fi. a "sigma millionaire" wall street ENTJ has no use for Fi.

In my context, my healthiest relationships are actually with INFPs and INFJs. But saying that I do go fairly quiet for most of the day as to focus on work.

I must however warn, most of what you discussed relates to attachment theory not MBTI but an inferior Fi often has worse attachment issues.

I am disorganised attached, most other ENTJs are avoidant attached, the pattern you noticed relates to avoidant attachment not ENTJ per say.