In religion, to establish a thing to be a content of Deen and its position in Deen, we need an injunction from Quran and something inferred from Quranic principles, and something that came to us through the perpetual sunnah of the prophet.
Ahadith depend upon Quran and sunnah, they have the information which tells the application of some injunctions, mentioned in Quran explicitly or in principle, or in Sunnah.
Ahadith are indirect narration, narrated by the narrators which may be misquoted, or ill-quoted etc.
The companions’ individual acts, like the one cited in the report above, if reported correctly, are their individual acts, which can be a reference for others, only if they qualify the criterion that they are an application of some content of Deen from Quran or sunnah.
Another thing to keep in mind is that the wives of the propeht were to adopt a special code of Parda, which was not obligory to other women, see the following verse:
يَا نِسَاءَ النَّبِيِّ لَسْتُنَّ كَأَحَدٍ مِّنَ النِّسَاءِ ۚ إِنِ اتَّقَيْتُنَّ فَلَا تَخْضَعْنَ بِالْقَوْلِ فَيَطْمَعَ الَّذِي فِي قَلْبِهِ مَرَضٌ وَقُلْنَ قَوْلًا مَّعْرُوفًا ﴿
٣٢﴾ وَقَرْنَ فِي بُيُوتِكُنَّ وَلَا تَبَرَّجْنَ تَبَرُّجَ الْجَاهِلِيَّةِ الْأُولَىٰ ۖ وَأَقِمْنَ الصَّلَاةَ وَآتِينَ الزَّكَاةَ وَأَطِعْنَ اللَّهَ وَرَسُولَهُ ۚ إِنَّمَا يُرِيدُ اللَّهُ لِيُذْهِبَ عَنكُمُ الرِّجْسَ أَهْلَ الْبَيْتِ وَيُطَهِّرَكُمْ تَطْهِيرًا
Wives of the Prophet! You are not like common women. If you fear God, do not adopt a soft tone [with these people] so that he who has an ailment in his heart should have any false hope and speak to them in the conventional way. (33: 32-33)
for detail you can read my articles on this topic.
https://javedahmedghamidi.info/#!/ishraq/5c303d6e4d0e55f50806eb29?articleId=5c3050084d0e55f50806ebc2&decade=2020&year=2022