Cataclysmic is a raid drop that not everyone has (much less the ideal roll on it)
You are misunderstanding what I and OP said.
OP said: Taipan has the best ammo economy + Cataclysmic is a close 2nd. Both these statements are incorrect.
OP did not say "Use Cata if you have it. If not, use Taipan". They instead said to use Taipan even if you have a Cata. There is a difference and OP is wrong. Cata is better than Taipan.
Divinity has the significant bonus of adding a giant crit spot to an enemy that is quite annoying to consistently crit
The first boss walks backwards, slowly, in a straight line, and the crit spot can be hit consistently. Only when the Boss goes down the stairs does it become slightly difficult.
I struggle on Caiatl and Taniks so I'm by no means perfect at aiming. The 2nd spire boss however is fairly easy to hit crit spots consistently with Cata.
If you need Divinity consistently to hit crits, even on bosses with manageable crit spots, that's something you need to work on. You should not be decreasing your team's DPS by 23% because your aim needs work.
This is, ironically, why they nerfed Div btw - making all bosses have giant crit spots applying a 30% debuff because people cannot aim was not the intended purpose.
Bits of missing knowledge about a seasonal mod they haven't used is perfectly understandable.
I would highly recommend that someone writes a guide after they have experimented with powerful seasonal mods and not before.
If you want to be led by the blind then that's up to you.
I'd rather read a dozen imperfect or suboptimal guides than a single comment decreeing snide qualifications for what is acceptable.
If you want to sit in a dungeon for far longer than you need to whilst acknowledging the recommendations you are following are poor, that is up to you.
Take a sidearm into the dungeon and do boss DPS that way, if that is what is comfortable. But do not recommend others do the same and waste as much time as you did.
and a ton of phases for a solo player below light level and without powerful seasonal mods is to be expected.
The 12 phases are not because OP is below light level. The 12 phases are because OP used a Xeno.
If OP is 1585 they can 6 phase the final boss with a legendary rocket. If they also 12 phase on Xeno at 1585, what do you think the issue is? Rockets or Xeno or light level?
It is okay to take 12 phases to kill a boss.
No it is not. 12 phases is way way above the average. If you are happy being there and using an objectively bad build, go for it. But do not argue that it is okay.
That's 6-8 extra phases where you can die to supplicants. Where you can mess up and have to go back to retrace 30mins-1hr of your time.
Look, if you want to follow OPs advice when I am telling you that it is incorrect, go for it. You will sit in that dungeon for far longer than you need to. It is your time, not mine.
There are far more optimal and easier to use setups that others are using in their solo flawless runs. These will help you massively, allow you to complete it in a reasonable time, and not hinder you - OPs recommendations will do the complete opposite.
My wording was stern. Sometimes you need to cut the bullshit and tell people straight. However do not argue the specifics of OPs recommendations when they are objectively incorrect and you have misunderstood.