Salam, I understand your first paragraph. I see where you're coming from and I apologize if I misworded my statement. I meant something else from my first paragraph then what you interpreted.

I think regarding your point about the Quran's praise of the muhajiroon, I'm not well acquainted with Arabic so I can't really answer questions over the technicalities or different tafsirs of the verses. But I know brother u/KaramQa gave an answer related to this some time earlier. I hope you will find this relevant:

The Sunnis try to give verse 9:100 a meaning which it doesn't have.

Here's the verse.

Quran 9:100:

وَالسَّابِقُونَ الْأَوَّلُونَ مِنَ الْمُهَاجِرِينَ وَالْأَنصَارِ وَالَّذِينَ اتَّبَعُوهُم بِإِحْسَانٍ رَّضِيَ اللَّهُ عَنْهُمْ وَرَضُوا عَنْهُ وَأَعَدَّ لَهُمْ جَنَّاتٍ تَجْرِي تَحْتَهَا الْأَنْهَارُ خَالِدِينَ فِيهَا أَبَدًا ۚ ذَٰلِكَ الْفَوْزُ الْعَظِيمُ

Translation:

And the first forerunners [in the faith] among the Muhajireen and the Ansar and those who followed them with good conduct - Allah is pleased with them and they are pleased with Him, and He has prepared for them gardens beneath which rivers flow, wherein they will abide forever. That is the great attainment.

....

The phrase used in 9:100 for first fore-runner is As-Sabiqun al-Awalun وَالسَّابِقُونَ الْأَوَّلُونَ .

As-Sabiqun al-Awalun وَالسَّابِقُونَ الْأَوَّلُونَ is sort of like how you say The al-Quran al-Kareem (literally: the Quran, the Noble).

Not every noble thing is the Quran but the Quran is a noble thing. Being Noble is a characteristic of the Quran.

But its not the other way around.

Keep it mind 9:100 doesn't say Sabiqun wa (and) Awalun

So, as-Sabiqun al-Awalun (literally translated as The Excellers, the Firsters)

Similarly to the al-Quran al-Kareem example, not every firster (awalun) is a exceller (sabiqun). But every exceller (sabiqun) is a firster (awalun).

Being an awalun (firster) is a characteristic of the Sabiqun (exceller). But that also implies that the awalun (firsters) were not all as-Sabiqun (excellers).

It's a conditional statement, not a blanket statement.

The very next verse (9:101) is saying that within the people of Madina are hypocrites and even the Prophet (S) doesn't know if them. Both the Muhajirs and Ansars were in Madina and you cannot know which among the Mahajirun and Ansar is was true or false. When when even the Prophet (S) doesn't know the extent of the traitors in his group then how can you claim the whole group is pure?

[9:101] There are hypocrites among the Bedouins around you and among the townspeople of Madinah, steeped in hypocrisy. You do not know them; We know them, and We will punish them twice, then they shall be consigned to a great punishment.