Shopify Liquid - Check if product contains any of a given list of tags

check-product-tags.liquid

{% assign excludedTags = "some-tag,some-other-tag,another-tag,yet-another-tag" | split :',' %}
{% assign hasExcludedTag = false %}

{% for tag in excludedTags  %}
  {% if product.tags contains tag %}
    {% assign hasExcludedTag = true %}
    {% break %}
  {% endif %}
{% endfor %}

{% comment %} EXAMPLE USAGE: {% endcomment %}
{% unless hasExcludedTag %}
  {% include 'all-the-things' %}
{% endif %}