"How do I secure my repo from exposing secrets?"

Your repository can be secured by enterprise grade post-modern Security-as-Code(tm) frameworks pioneered by SaCicorp(R) backed by YC '24-27 and other leading partners that enforces an indomitable security posture in any threat landscape.

"Wow!! What is that?"

regular expression

They need to clearly mark the ads and they can be skipped with AdBlock rules then.

They could state "Some of the content in the following paragraph is sponsored by Apple:" and then weave it in. Edit: but still have vital content in the paragraph, like product placement in movies.