Peace Sister Sarah,
you read right most humans & jinn will enter hell, there is no doubt about it, not because God is unjust, but because He is being denied by them.
If you take a survey, most people have an idea of God that is erroneous, laced with idolatry, or anthropomorphism, God is beyond that, & that is what He conveys in Qur'an, & to a lesser degree in Tanakh/Torah.
My lineage is mixed, Arab/Jew/Ottoman/Berber, this helped me not to align myself with any particular ethnic or religious group, though I used to gravitate around Sunni, New Age & pop psychology groups in my 20's & 30's.
The more I grow old, the less interested I become of cleavage people identify with, i.e. groupings, & more interested with my relationship with Allah alone, it pains me that there are most people I know who are fodder for Hell, but there is nothing I can do about it but be a warner & bearer of glad tidings for those who believe.
Does this sound familiar, it should be because this is what Allah exactly instructs of the Believers.
When we die, we will be cut out from causality, & only what matters will be our past affiliations & stands we took, & we will only be judged by our actions.
Death is a very lonely business, we will be cut out from the groups, but also from causality that gave us our narrative.
But ultimately the only narrative that matters to Allah, & by extension & commandments to the Believers is what we did to make Allah Sovereign on Earth despite all seemingly impossible odds.
This is why I started back in 2011 Twitter & Facebook accounts, of course I react to events in it, but I try my best to link the stories to Allah's control of events, be it obvious or hidden.
Take the #COVID19 pandemic or Donald Trump, or Putin & his Parkinson's disease diagnostic, there is plenty to see the Hand of Allah shaping events & the duty of a Believer is to highlight that, perchance some with be affected & heed their Creator & submit to Him so they also gain salvation,
Salam & Peace
Nabil H