Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
abudawud:4824Wāṣil b. ʿAbd al-Aʿlá > Ibn Fuḍayl > al-Aʿmash Bihadhā

It seems he liked collective gathering.  

أبو داود:٤٨٢٤حَدَّثَنَا وَاصِلُ بْنُ عَبْدِ الأَعْلَى عَنِ ابْنِ فُضَيْلٍ عَنِ الأَعْمَشِ بِهَذَا قَالَ

كَأَنَّهُ يُحِبُّ الْجَمَاعَةَ