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A question was just asked about whether or not we still need model categories of spectra (vs working with the $\infty$-category). To me (and Fernando Muro at least), it is reminiscent of a previous question about whether we still need model categories. Both questions already have answers from experts in both methods. I suspect that which answers people upvote in both threads has more to do with personal preference than anything else. In situations like this, where a user is asking which of two perfectly good methods is better, and everything is opinion based, should the whole thread be Community Wiki?

For non homotopy-theorists, an analogy would be someone asking: "when you do differential geometry, is it better to work in a coordinate free setting or with coordinates." Of course, the answer is: "it depends on what you are trying to do, and your own personal preferences." You can have experts from both sides weigh in, and write answers with +100 upvotes, but it seems strange to me to get so many reputation points for eloquently stating an opinion.

Edit: the question was made Community Wiki on Feb. 10, 2019.

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    $\begingroup$ This isn't directly related to your question/suggestion, but looking at the exchanges in the comments makes me wonder if this isn't an occasion for bringing back "tea" ( mathoverflow.tqft.net ) $\endgroup$ – Yemon Choi Feb 10 at 3:25
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    $\begingroup$ I actually think that chat would be a good place for many of the discussions in the comments, but Dmitri Pavlov did not want to move there... $\endgroup$ – Denis Nardin Feb 10 at 16:20
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    $\begingroup$ And I explained why: the chat discussion would be buried in a couple of days, whereas the comments will be readable forever. Myself, I enjoy reading other such discussions in the comments. $\endgroup$ – Dmitri Pavlov Feb 10 at 19:17
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    $\begingroup$ @DmitriPavlov It's fairly easy to link to the chat discussions in the comments to the answer, and there's even a button to create a dedicated chatroom with an automatic link attached to the answer. But, of course, it's up to the participants in the discussion. $\endgroup$ – Denis Nardin Feb 10 at 19:46
  • $\begingroup$ It's now CW, incidentally. $\endgroup$ – Todd Trimble Feb 10 at 19:49
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    $\begingroup$ @DenisNardin Well, maybe it would be more precise to say, that it's up to the participants and up to the moderators - since the mods can move the discussion in comments to the chat, if they consider this suitable. $\endgroup$ – Martin Sleziak Feb 10 at 23:41
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    $\begingroup$ Primarily opinion based is one of the listed reasons for closing a question on MO. $\endgroup$ – Ramiro de la Vega Feb 14 at 12:00
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    $\begingroup$ A hidden axiom here is that mathoverflow points have value. $\endgroup$ – Najib Idrissi Feb 14 at 14:25

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