In Lightroom I see Collection delete and create options, but not rename. Hovering over the collection name doesn't allow editing. Meanwhile, in Mac Finder the collection doesn't show up, just the imported folders.
Lightroom Classic version: 12.0.1 [ 202210260744-9e008017 ] License: Creative Cloud Language setting: en-US Operating system: Mac OS 13 Version: 13.0.1 [22A400] Application architecture: x64 Logical processor count: 16 Processor speed: 3.6GHz SqLite Version: 3.36.0 Built-in memory: 16,384.0 MB Real memory available to Lightroom: 16,384.0 MB Real memory used by Lightroom: 3,348.1 MB (20.4%) Virtual memory used by Lightroom: 42,052.0 MB Memory cache size: 1,140.6MB Internal Camera Raw version: 15.0 [ 1261 ] Maximum thread count used by Camera Raw: 5 Camera Raw SIMD optimization: SSE2,AVX,AVX2 Camera Raw virtual memory: 151MB / 8191MB (1%) Camera Raw real memory: 153MB / 16384MB (0%) Standard Preview Size: 5120 pixels Displays: 1) 5120x2880
Graphics Processor Info: Metal: AMD Radeon Pro 575X Init State: GPU for Image Processing supported by default User Preference: Off