The relationship between Amal and HA is often misrepresented...
To elaborate on behalf of my Alloushe brother:
Amal and HA had a bloody and tensed relationship since the 80s, as we all know... however HA had no interest in internal lebanese politics, as their project is bigger and goes beyond Lebanese borders. I lived in Dahieh for many many years and I remember the tension and competition between them both, even at schools they used to fight alot. Around 2000 (I forgot which year exactly) both parties had an agreement to put the past behind them and agreed to an understanding.
It is noted that HA's interest in Lebanese politics was lacking, up until the Syrians left Lebanon in 2005 (Syrians used to deal with the political interests of the resistance camp in Lebanon until that date).
After the 2005 Syrian withdrawal from Lebanon, the rise of March14 and the massive attack on HA's camp... HA had to get involved, against its wishes... and soon enough they realized how dirty and silly it is to waste their time and efforts on this small scale, hence they sub-contracted the mission to their newly found ally Berri to deal with the politics of Lebanon, negotiations and deals..etc...
The problem about HA internally is that they sub-contracted their weight to a corrupt individual, because they don't want to go to the pre-2000 tensions and wars with Amal ... while its worth to be noted that they don't mind a failed state, which can legitimize their existence and their weapons... so its a win/win situation.
Here is where HA is to be blamed internally, by empowering Berri just to avoid any conflict with him... and actually benefiting from Berri's sabotage of the state (among others in the manzoume, I'm not singling out Berri).
The "bigger" project of HA that goes beyond the borders is beyond this discussion, and I'll leave it at the internal lebanese part.
PS: I'm just stating my objective observation and analysis of the possible Hezbollah's narrative and "why" they ally with Berri.
What do you think brother
@agnostic ?
